TO GO WITH AFP STORY by Mathieu RABECHAULT / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /EUROPEAN SPACE AGENCY" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS
(FILES) This handout file photo taken on December 6, 2021 and released by the European Space Agency shows the Prometheus low-cost reusable engine demonstrator at the ArianeGroup's site in Vernon. - The earthworks must be ready for the first "fireworks" in spring: in the hilly forest of Vernon, in Normandy, Europe is preparing its future rockets, which it wants to be able to reuse. (Photo by EUROPEAN SPACE AGENCY / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /EUROPEAN SPACE AGENCY" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS